The Omicron booster will protect against BA.5 and BA.4 as well as the original coronavirus strain. (Getty Images) COVID-19 booster shots that target the highly contagious Omicron variant — which ...

The latest Omicron subvariant, XBB.1.5, is the most transmissible strain of COVID yet — but does not seem to make people sicker, the World Health Organization has said. XBB.1.5 has spread quickly ...

Let’s clear up one misconception. Viruses aren’t like deodorant on your armpit or a fart in a room. They don’t necessarily automatically get weaker over time. In fact, often it’s quite the opposite.

As COVID Omicron BA.5 continues to spread in the U.S., some may be wondering if the variant might cause distinct symptoms that set it apart from other Omicron variants. BA.5 is a sub-type of the ...

Omicron is mutating in giant leaps, with scientists racing to keep up. Its diversity is challenging vaccine efficacy and complicating treatment. But this fall, broad spectrum bivalent vaccines may ...

A new omicron variant is quickly spreading across the U.S. just in time for the New Year. The strain, known as XBB.1.5, accounts right now for almost 41% of confirmed COVID-19 cases nationwide, ...

New York City health officials are warning residents that the infectious omicron subvariant XBB.1.5 may be more likely to infect people who have already been vaccinated or infected with COVID-19.

Every few months for the first two years of the pandemic the public learned the name of a new coronavirus variant that had emerged and was more adept at infecting us or causing severe disease. Ten ...

For more than two years, Cathy Baron and Sara Alicia Costa managed to duck the coronavirus. But despite their being fully vaccinated and boosted, the Omicron variant finally caught them. Baron is an ...

BUFFALO, N.Y. – A new University at Buffalo study conducted at John R. Oishei Children’s Hospital is one of the first to reveal that there were fewer cases of multi-system inflammatory syndrome in ...